Rambus Is Alive: SiS 658 In An Exclusive Test

Comparison: Chipsets For Pentium 4

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ChipsetSiS 658SiS 659Intel 850E
Price 1K unit18 Dollarn.a.40 Dollar
IntroductionMarch 2003June 2003May 2002
Processor PlattformSocket 478Socket 478Socket 478
Supported CPUIntel Pentium 4Intel Pentium 4Intel Pentium 4
Chipset NorthbridgeSiS 658SiS 659Intel KC82850E
Chipset SouthbridgeSiS 963UASiS 9xxIntel 82801 BA
Front Side Bus Clock100/133 MHz100/133 MHz100/133 MHz
Memory Clock400/533 MHz400/533/600/667 MHz400 MHz/533 MHz
Asynchronous Memory Clockyesyesyes
FSB-Overclockingup to 200 MHzup to 200 MHzup to 166 MHz
max. # DIMM-Slots444
max. Memory2048 MB2048 MB2048 MB
SDRAM Supportnonono
DDR SDRAM Supportnonono
Dual DDR SDRAM Supportnonono
RDRAM Support (Rambus)yesyesyes
Dual RDRAM Support (Rambus)yesyes (Quad-RDRAM)yes
Ultra-DMA/33/66/100yes/yes/yesyes/yes/yesyes/yes/yes
Ultra-DMA/133yesyesno
Max. # USB444
USB 2.0yesyesno
Max.# PCI Slots666
Integrated Graphicsnonono
AGP 1x / 2x / 4xyes / yes / yesyes / yes / yesyes / yes / yes
AGP 8xyesyesno
Hyper-Threading Supportyesyesyes
ChipsetIntel 845GEIntel 845PEIntel 845GV
Price 1K unit37 Dollar32 Dollar26 Dollar
Processor PlattformSocket 478Socket 478Socket 478
Supported CPUIntel Pentium 4Intel Pentium 4Intel Pentium 4
Chipset NorthbridgeIntel RG82845GEIntel RG8245PEIntel RG8245GV
Chipset SouthbridgeIntel 82801 DBIntel 82801 DBIntel 82801 DB
Front Side Bus Clock100/133 MHz100/133 MHz100/133 MHz
Memory Clock100/133/166 MHz100/133/166 MHz100/133/166 MHz
Asynchronous Memory Clockyesyesyes
FSB-Overclockingup to 200 MHzup to 200 MHzup to 200 MHz
max. # DIMM-Slots332
max. Memory3072 MB3072 MB3072 MB
SDRAM Supportnonono
DDR SDRAM Supportyesyesyes
Dual DDR SDRAM Supportnonono
RDRAM Support (Rambus)nonono
Dual RDRAM Support (Rambus)nonono
Ultra-DMA/33/66/100yes/yes/yesyes/yes/yesyes/yes/yes
Ultra-DMA/133nonono
Max. # USB444
USB 2.0yesyesyes
Max.# PCI Slots666
Integrated Graphicsyesnoyes
AGP 1x / 2x / 4xyes / yes / yesyes / yes / yesyes / yes / yes
AGP 8xnonono
Hyper-Threading Supportyesyesyes
ChipsetIntel 845GIntel 845ESiS 645DX
Price 1K unit35 Dollar28 Dollar20 Dollar
IntroductionMay 2002May 2002March 2002
Processor PlattformSocket 478Socket 478Socket 478
Supported CPUIntel Pentium 4Intel Pentium 4Intel Pentium 4
Chipset NorthbridgeIntel RG82845GIntel RG8245EESSiS 645DX
Chipset SouthbridgeIntel 82801 DBIntel 82801 DBSiS 961
Front Side Bus Clock100/133 MHz100/133 MHz100/133 MHz
Memory Clock100/133/166 MHz100/133 MHz100/133/166/200 MHz
Asynchronous Memory Clockyesyesyes
FSB-Overclockingup to 166 MHzup to 166 MHzup to 166 MHz
max. # DIMM-Slots333
max. Memory3072 MB3072 MB3072 MB
SDRAM Supportyesyesyes
DDR SDRAM Supportyesyesyes
Dual DDR SDRAM Supportnonono
RDRAM Support (Rambus)nonono
Dual RDRAM Support (Rambus)nonono
Ultra-DMA/33/66/100yes/yes/yesyes/yes/yesyes/yes/yes
Ultra-DMA/133nonono
Max. # USB444
USB 2.0yesyesno
Max.# PCI Slots666
Integrated Graphicsyesnoyes
AGP 1x / 2x / 4xyes / yes / yesyes / yes / yesyes / yes / yes
AGP 8xnonono
Hyper-Threading Supportno (yes, Step 2)nono
ChipsetSiS 645Intel 850Intel 845D
Price 1K unitn.a.38 Dollar23 Dollar
IntroductionNovember 2001January 2001December 2001
Processor PlattformSocket 478Socket 423/478Socket 478
Supported CPUIntel Pentium 4Intel Pentium 4Intel Pentium 4
Chipset NorthbridgeSiS 645Intel KC82850Intel 82845
Chipset SouthbridgeSiS 961Intel 82801 BAIntel 82801 BA
Front Side Bus Clock100 MHz100/133 MHz66/100/133 MHz
Memory Clock100/133 MHz400 MHz100/133 MHz
Asynchronous Memory Clockyesyesyes
FSB-Overclockingup to 133 MHzup to 133 MHzup to 166 MHz
max. # DIMM-Slots343
max. Memory3072 MB2048 MB2048 MB
SDRAM Supportyesnono
DDR SDRAM Supportyesnoyes
Dual DDR SDRAM Supportnonono
RDRAM Support (Rambus)noyesno
Dual RDRAM Support (Rambus)noyesno
Ultra-DMA/33/66/100yes/yes/yesyes/yes/yesyes/yes/yes
Ultra-DMA/133nonono
Max. # USB444
USB 2.0nonono
Max.# PCI Slots666
Integrated Graphicsyesnono
AGP 1x / 2x / 4xyes / yes / yesyes / yes / yesyes / yes / yes
AGP 8xnonono
Hyper-Threading Supportnonono